"Please sit down and greet the light," Jon Landau instructed as visitors arrived at the new Chestnut Hill Friends Meeting House the other day just before sunset. By "sit down," Landau, a meeting member, actually meant "lie down." And by "greet the light," he meant, be prepared for Philadelphia's most entrancing new art installation. »Read story: Changing Skyline: Art installation transforms Chestnut Hill meetinghouse